英语必修2译林牛津版unit1
学案辅导(4)牛津高一模块二unit 1 练习ii 一、单句改错 1. the scientist has been to the north pole and he will give us a talk when he comes back. 2. we have been worked on it for several hours but we have not yet reached any conclusion. 3. how can you possibly miss the news it had been on tv all day long. 4. if it stopped snowing in the morning, we’ll go to the park.